1

Not related to surge:
Your weight gain is not related to surgery. If you really want to loose weight you will , first you have to be motivated and focused for it, reduce your caloric intake ( don't eat too much junk food ) , count your calories join a gym for regular progressive exercises to burn your body fat , you will see the change.
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Loose stools is a symptom in which a person's stool (poop) does not hold its shape after it goes into the toilet. Instead of remaining a shaped piece of poop, the poop spreads out in the toilet bowl water. Very loose stool is called diarrhea. Loose stool can be caused by infections, certain foods or drinks, drug side effects, etc...
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4

Yes:
If a surgery is amendable to laparoscopic, then i always recommend going that route. The recovery is faster, the pain is less, lower rates of infections. Not all surgeries can be done laparoscopically, but if it can be then do it.
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8

Very complicated:
Every insurance plan makes up its own rules. You may be able to wait 6 months and then be covered. You may have to change plans. New health laws may make pre-existing condition exclusions illegal. If that passes in the country, in your state, or with your plan, then you may be in luck. This is a constantly frustrating issue, but you may have to play the game in order to have your procedure done.
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